SunPower

SPR-X21-327-COM
327 Watt Solar Panels X-Series Commercial

Overall Rating

The SPR-X21-327-COM panel is a Premium Plus panel. It is one of the best panels available on the market in the United States. Its performance, quality, and durability are unparalleled, but it also comes at a significant price premium. Only 1% of the panels on the market receive a Premium Plus rating.